The problem with pupils.
D003315:Cornea / Q000601:surgery; D019466:Glare; D006801:Humans; D007498:Iris / Q000033:anatomy & histology*; D020731:Keratomileusis, Laser In Situ / Q000009:adverse effects / Q000331:legislation & jurisprudence / Q000379:methods*; D008318:Malpractice / Q000331:legislation & jurisprudence; D011183:Postoperative Complications; D011680:Pupil / Q000502:physiology*; D012029:Refraction, Ocular / Q000502:physiology*; D054140:Refractive Surgical Procedures; D014786:Vision Disorders / Q000209:etiology